1. (a) 1 (b) 2 (c) 2 (d) 2
2. (c) (i) 1 (ii) 5 (iii) 4 (iv) 2
4. Rectangle, parallelogram, square, rhombus
5. (a) CD (b) BO (c) DBA
(d) ADC and
CBA,
AOD and
COB
AOB and
COD,
ADB and
DBC
(e) AD
6. (a) False (b) False (c) True (d) False (e) True
7. (a) a = 31° b = 31° c = 59° d = 31° e = 59° f = 90° g = 31°
(b) BF, FE and FD
(c) Any combination of AB, DE and n.